How To Fix /IWBEP/CM_MGW_RT113 - Complex type name: '&1' already exists

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWBEP/CM_MGW_RT -

• Message number: 113

• Message text: Complex type name: '&1' already exists

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /IWBEP/CM_MGW_RT113 - Complex type name: '&1' already exists ?

  The SAP error message /IWBEP/CM_MGW_RT113 indicates that there is a conflict with a complex type name in the OData service definition. This typically occurs when you are trying to define a complex type that has already been defined in the same service or in a service that is being referenced.
  Cause:
  
  Duplicate Definition: The complex type name you are trying to create already exists in the service or in another service that is being referenced.
  Namespace Issues: If you are using namespaces, there might be a conflict due to similar names in different namespaces.
  Service Re-import: If you have made changes to the service and are trying to re-import it, the existing definitions may conflict with the new ones.
  
  Solution:
  
  
  Check Existing Definitions: Review the existing complex types in your OData service to see if the name you are trying to use is already defined. You can do this in the SAP Gateway Service Builder (transaction code SEGW).
  
  
  Rename the Complex Type: If you find that the complex type name is already in use, consider renaming your new complex type to something unique.
  
  
  Namespace Management: Ensure that you are using appropriate namespaces to avoid conflicts. If you are working in a shared environment, make sure your naming conventions are distinct.
  
  
  Delete Unused Types: If there are complex types that are no longer needed, you can delete them from the service definition.
  
  
  Re-generate the Service: After making changes, regenerate the service to ensure that all definitions are updated correctly.
  
  
  Check for References: If the complex type is being referenced in other parts of your service, ensure that those references are updated accordingly.
  
  
  Related Information:
  
  Transaction Codes: Use transaction code SEGW to access the Service Builder where you can manage your OData service definitions.
  Documentation: Refer to SAP Help documentation for OData services and complex types for more detailed guidance on naming conventions and best practices.
  SAP Notes: Check for any relevant SAP Notes that might address specific issues related to this error message.
  
  By following these steps, you should be able to resolve the error and successfully define your complex type in the OData service.